diff options
Diffstat (limited to 'package/libertas/src/cmd.c')
| -rw-r--r-- | package/libertas/src/cmd.c | 2233 |
1 files changed, 2233 insertions, 0 deletions
diff --git a/package/libertas/src/cmd.c b/package/libertas/src/cmd.c new file mode 100644 index 000000000..01d23493b --- /dev/null +++ b/package/libertas/src/cmd.c @@ -0,0 +1,2233 @@ +/** + * This file contains the handling of command. + * It prepares command and sends it to firmware when it is ready. + */ + +#include <net/iw_handler.h> +#include "host.h" +#include "hostcmd.h" +#include "decl.h" +#include "defs.h" +#include "dev.h" +#include "join.h" +#include "wext.h" +#include "cmd.h" + +static void cleanup_cmdnode(struct cmd_ctrl_node *ptempnode); +static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv); +static void lbs_set_cmd_ctrl_node(struct lbs_private *priv, + struct cmd_ctrl_node *ptempnode, + u16 wait_option, void *pdata_buf); + + +/** + * @brief Checks whether a command is allowed in Power Save mode + * + * @param command the command ID + * @return 1 if allowed, 0 if not allowed + */ +static u8 is_command_allowed_in_ps(u16 cmd) +{ + switch (cmd) { + case CMD_802_11_RSSI: + return 1; + default: + break; + } + return 0; +} + +/** + * @brief Updates the hardware details like MAC address and regulatory region + * + * @param priv A pointer to struct lbs_private structure + * + * @return 0 on success, error on failure + */ +int lbs_update_hw_spec(struct lbs_private *priv) +{ + struct cmd_ds_get_hw_spec cmd; + int ret = -1; + u32 i; + DECLARE_MAC_BUF(mac); + + lbs_deb_enter(LBS_DEB_CMD); + + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + memcpy(cmd.permanentaddr, priv->current_addr, ETH_ALEN); + ret = lbs_cmd_with_response(priv, CMD_GET_HW_SPEC, cmd); + if (ret) + goto out; + + priv->fwcapinfo = le32_to_cpu(cmd.fwcapinfo); + memcpy(priv->fwreleasenumber, cmd.fwreleasenumber, 4); + + lbs_deb_cmd("GET_HW_SPEC: firmware release %u.%u.%up%u\n", + priv->fwreleasenumber[2], priv->fwreleasenumber[1], + priv->fwreleasenumber[0], priv->fwreleasenumber[3]); + lbs_deb_cmd("GET_HW_SPEC: MAC addr %s\n", + print_mac(mac, cmd.permanentaddr)); + lbs_deb_cmd("GET_HW_SPEC: hardware interface 0x%x, hardware spec 0x%04x\n", + cmd.hwifversion, cmd.version); + + /* Clamp region code to 8-bit since FW spec indicates that it should + * only ever be 8-bit, even though the field size is 16-bit. Some firmware + * returns non-zero high 8 bits here. + */ + priv->regioncode = le16_to_cpu(cmd.regioncode) & 0xFF; + + for (i = 0; i < MRVDRV_MAX_REGION_CODE; i++) { + /* use the region code to search for the index */ + if (priv->regioncode == lbs_region_code_to_index[i]) + break; + } + + /* if it's unidentified region code, use the default (USA) */ + if (i >= MRVDRV_MAX_REGION_CODE) { + priv->regioncode = 0x10; + lbs_pr_info("unidentified region code; using the default (USA)\n"); + } + + if (priv->current_addr[0] == 0xff) + memmove(priv->current_addr, cmd.permanentaddr, ETH_ALEN); + + memcpy(priv->dev->dev_addr, priv->current_addr, ETH_ALEN); + if (priv->mesh_dev) + memcpy(priv->mesh_dev->dev_addr, priv->current_addr, ETH_ALEN); + + if (lbs_set_regiontable(priv, priv->regioncode, 0)) { + ret = -1; + goto out; + } + + if (lbs_set_universaltable(priv, 0)) { + ret = -1; + goto out; + } + +out: + lbs_deb_leave(LBS_DEB_CMD); + return ret; +} + +static int lbs_cmd_802_11_ps_mode(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + struct cmd_ds_802_11_ps_mode *psm = &cmd->params.psmode; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_PS_MODE); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_ps_mode) + + S_DS_GEN); + psm->action = cpu_to_le16(cmd_action); + psm->multipledtim = 0; + switch (cmd_action) { + case CMD_SUBCMD_ENTER_PS: + lbs_deb_cmd("PS command:" "SubCode- Enter PS\n"); + + psm->locallisteninterval = 0; + psm->nullpktinterval = 0; + psm->multipledtim = + cpu_to_le16(MRVDRV_DEFAULT_MULTIPLE_DTIM); + break; + + case CMD_SUBCMD_EXIT_PS: + lbs_deb_cmd("PS command:" "SubCode- Exit PS\n"); + break; + + case CMD_SUBCMD_SLEEP_CONFIRMED: + lbs_deb_cmd("PS command: SubCode- sleep confirm\n"); + break; + + default: + break; + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_inactivity_timeout(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, void *pdata_buf) +{ + u16 *timeout = pdata_buf; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_INACTIVITY_TIMEOUT); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_inactivity_timeout) + + S_DS_GEN); + + cmd->params.inactivity_timeout.action = cpu_to_le16(cmd_action); + + if (cmd_action) + cmd->params.inactivity_timeout.timeout = cpu_to_le16(*timeout); + else + cmd->params.inactivity_timeout.timeout = 0; + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_sleep_params(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + struct cmd_ds_802_11_sleep_params *sp = &cmd->params.sleep_params; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->size = cpu_to_le16((sizeof(struct cmd_ds_802_11_sleep_params)) + + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_802_11_SLEEP_PARAMS); + + if (cmd_action == CMD_ACT_GET) { + memset(&priv->sp, 0, sizeof(struct sleep_params)); + memset(sp, 0, sizeof(struct cmd_ds_802_11_sleep_params)); + sp->action = cpu_to_le16(cmd_action); + } else if (cmd_action == CMD_ACT_SET) { + sp->action = cpu_to_le16(cmd_action); + sp->error = cpu_to_le16(priv->sp.sp_error); + sp->offset = cpu_to_le16(priv->sp.sp_offset); + sp->stabletime = cpu_to_le16(priv->sp.sp_stabletime); + sp->calcontrol = (u8) priv->sp.sp_calcontrol; + sp->externalsleepclk = (u8) priv->sp.sp_extsleepclk; + sp->reserved = cpu_to_le16(priv->sp.sp_reserved); + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_set_wep(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u32 cmd_act, + void * pdata_buf) +{ + struct cmd_ds_802_11_set_wep *wep = &cmd->params.wep; + int ret = 0; + struct assoc_request * assoc_req = pdata_buf; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_SET_WEP); + cmd->size = cpu_to_le16(sizeof(*wep) + S_DS_GEN); + + if (cmd_act == CMD_ACT_ADD) { + int i; + + if (!assoc_req) { + lbs_deb_cmd("Invalid association request!"); + ret = -1; + goto done; + } + + wep->action = cpu_to_le16(CMD_ACT_ADD); + + /* default tx key index */ + wep->keyindex = cpu_to_le16((u16)(assoc_req->wep_tx_keyidx & + (u32)CMD_WEP_KEY_INDEX_MASK)); + + /* Copy key types and material to host command structure */ + for (i = 0; i < 4; i++) { + struct enc_key * pkey = &assoc_req->wep_keys[i]; + + switch (pkey->len) { + case KEY_LEN_WEP_40: + wep->keytype[i] = CMD_TYPE_WEP_40_BIT; + memmove(&wep->keymaterial[i], pkey->key, + pkey->len); + lbs_deb_cmd("SET_WEP: add key %d (40 bit)\n", i); + break; + case KEY_LEN_WEP_104: + wep->keytype[i] = CMD_TYPE_WEP_104_BIT; + memmove(&wep->keymaterial[i], pkey->key, + pkey->len); + lbs_deb_cmd("SET_WEP: add key %d (104 bit)\n", i); + break; + case 0: + break; + default: + lbs_deb_cmd("SET_WEP: invalid key %d, length %d\n", + i, pkey->len); + ret = -1; + goto done; + break; + } + } + } else if (cmd_act == CMD_ACT_REMOVE) { + /* ACT_REMOVE clears _all_ WEP keys */ + wep->action = cpu_to_le16(CMD_ACT_REMOVE); + + /* default tx key index */ + wep->keyindex = cpu_to_le16((u16)(priv->wep_tx_keyidx & + (u32)CMD_WEP_KEY_INDEX_MASK)); + lbs_deb_cmd("SET_WEP: remove key %d\n", priv->wep_tx_keyidx); + } + + ret = 0; + +done: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +static int lbs_cmd_802_11_enable_rsn(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, + void * pdata_buf) +{ + struct cmd_ds_802_11_enable_rsn *penableRSN = &cmd->params.enbrsn; + u32 * enable = pdata_buf; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_ENABLE_RSN); + cmd->size = cpu_to_le16(sizeof(*penableRSN) + S_DS_GEN); + penableRSN->action = cpu_to_le16(cmd_action); + + if (cmd_action == CMD_ACT_SET) { + if (*enable) + penableRSN->enable = cpu_to_le16(CMD_ENABLE_RSN); + else + penableRSN->enable = cpu_to_le16(CMD_DISABLE_RSN); + lbs_deb_cmd("ENABLE_RSN: %d\n", *enable); + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + + +static ssize_t lbs_tlv_size(const u8 *tlv, u16 size) +{ + ssize_t pos = 0; + struct mrvlietypesheader *tlv_h; + while (pos < size) { + u16 length; + tlv_h = (struct mrvlietypesheader *) tlv; + if (tlv_h->len == 0) + return pos; + length = le16_to_cpu(tlv_h->len) + + sizeof(struct mrvlietypesheader); + pos += length; + tlv += length; + } + return pos; +} + + +static void lbs_cmd_802_11_subscribe_event(struct lbs_private *priv, + struct cmd_ds_command *cmd, u16 cmd_action, + void *pdata_buf) +{ + struct cmd_ds_802_11_subscribe_event *events = + (struct cmd_ds_802_11_subscribe_event *) pdata_buf; + + /* pdata_buf points to a struct cmd_ds_802_11_subscribe_event and room + * for various Marvell TLVs */ + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->size = cpu_to_le16(sizeof(*events) + - sizeof(events->tlv) + + S_DS_GEN); + cmd->params.subscribe_event.action = cpu_to_le16(cmd_action); + if (cmd_action == CMD_ACT_GET) { + cmd->params.subscribe_event.events = 0; + } else { + ssize_t sz = lbs_tlv_size(events->tlv, sizeof(events->tlv)); + cmd->size = cpu_to_le16(le16_to_cpu(cmd->size) + sz); + cmd->params.subscribe_event.events = events->events; + memcpy(cmd->params.subscribe_event.tlv, events->tlv, sz); + } + + lbs_deb_leave(LBS_DEB_CMD); +} + +static void set_one_wpa_key(struct MrvlIEtype_keyParamSet * pkeyparamset, + struct enc_key * pkey) +{ + lbs_deb_enter(LBS_DEB_CMD); + + if (pkey->flags & KEY_INFO_WPA_ENABLED) { + pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_ENABLED); + } + if (pkey->flags & KEY_INFO_WPA_UNICAST) { + pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_UNICAST); + } + if (pkey->flags & KEY_INFO_WPA_MCAST) { + pkeyparamset->keyinfo |= cpu_to_le16(KEY_INFO_WPA_MCAST); + } + + pkeyparamset->type = cpu_to_le16(TLV_TYPE_KEY_MATERIAL); + pkeyparamset->keytypeid = cpu_to_le16(pkey->type); + pkeyparamset->keylen = cpu_to_le16(pkey->len); + memcpy(pkeyparamset->key, pkey->key, pkey->len); + pkeyparamset->length = cpu_to_le16( sizeof(pkeyparamset->keytypeid) + + sizeof(pkeyparamset->keyinfo) + + sizeof(pkeyparamset->keylen) + + sizeof(pkeyparamset->key)); + lbs_deb_leave(LBS_DEB_CMD); +} + +static int lbs_cmd_802_11_key_material(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, + u32 cmd_oid, void *pdata_buf) +{ + struct cmd_ds_802_11_key_material *pkeymaterial = + &cmd->params.keymaterial; + struct assoc_request * assoc_req = pdata_buf; + int ret = 0; + int index = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_KEY_MATERIAL); + pkeymaterial->action = cpu_to_le16(cmd_action); + + if (cmd_action == CMD_ACT_GET) { + cmd->size = cpu_to_le16(S_DS_GEN + sizeof (pkeymaterial->action)); + ret = 0; + goto done; + } + + memset(&pkeymaterial->keyParamSet, 0, sizeof(pkeymaterial->keyParamSet)); + + if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) { + set_one_wpa_key(&pkeymaterial->keyParamSet[index], + &assoc_req->wpa_unicast_key); + index++; + } + + if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) { + set_one_wpa_key(&pkeymaterial->keyParamSet[index], + &assoc_req->wpa_mcast_key); + index++; + } + + cmd->size = cpu_to_le16( S_DS_GEN + + sizeof (pkeymaterial->action) + + (index * sizeof(struct MrvlIEtype_keyParamSet))); + + ret = 0; + +done: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +static int lbs_cmd_802_11_reset(struct lbs_private *priv, + struct cmd_ds_command *cmd, int cmd_action) +{ + struct cmd_ds_802_11_reset *reset = &cmd->params.reset; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_RESET); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_reset) + S_DS_GEN); + reset->action = cpu_to_le16(cmd_action); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_get_log(struct lbs_private *priv, + struct cmd_ds_command *cmd) +{ + lbs_deb_enter(LBS_DEB_CMD); + cmd->command = cpu_to_le16(CMD_802_11_GET_LOG); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_get_log) + S_DS_GEN); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_get_stat(struct lbs_private *priv, + struct cmd_ds_command *cmd) +{ + lbs_deb_enter(LBS_DEB_CMD); + cmd->command = cpu_to_le16(CMD_802_11_GET_STAT); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_get_stat) + S_DS_GEN); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_snmp_mib(struct lbs_private *priv, + struct cmd_ds_command *cmd, + int cmd_action, + int cmd_oid, void *pdata_buf) +{ + struct cmd_ds_802_11_snmp_mib *pSNMPMIB = &cmd->params.smib; + u8 ucTemp; + + lbs_deb_enter(LBS_DEB_CMD); + + lbs_deb_cmd("SNMP_CMD: cmd_oid = 0x%x\n", cmd_oid); + + cmd->command = cpu_to_le16(CMD_802_11_SNMP_MIB); + cmd->size = cpu_to_le16(sizeof(*pSNMPMIB) + S_DS_GEN); + + switch (cmd_oid) { + case OID_802_11_INFRASTRUCTURE_MODE: + { + u8 mode = (u8) (size_t) pdata_buf; + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET); + pSNMPMIB->oid = cpu_to_le16((u16) DESIRED_BSSTYPE_I); + pSNMPMIB->bufsize = cpu_to_le16(sizeof(u8)); + if (mode == IW_MODE_ADHOC) { + ucTemp = SNMP_MIB_VALUE_ADHOC; + } else { + /* Infra and Auto modes */ + ucTemp = SNMP_MIB_VALUE_INFRA; + } + + memmove(pSNMPMIB->value, &ucTemp, sizeof(u8)); + + break; + } + + case OID_802_11D_ENABLE: + { + u32 ulTemp; + + pSNMPMIB->oid = cpu_to_le16((u16) DOT11D_I); + + if (cmd_action == CMD_ACT_SET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET); + pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16)); + ulTemp = *(u32 *)pdata_buf; + *((__le16 *)(pSNMPMIB->value)) = + cpu_to_le16((u16) ulTemp); + } + break; + } + + case OID_802_11_FRAGMENTATION_THRESHOLD: + { + u32 ulTemp; + + pSNMPMIB->oid = cpu_to_le16((u16) FRAGTHRESH_I); + + if (cmd_action == CMD_ACT_GET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET); + } else if (cmd_action == CMD_ACT_SET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET); + pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16)); + ulTemp = *((u32 *) pdata_buf); + *((__le16 *)(pSNMPMIB->value)) = + cpu_to_le16((u16) ulTemp); + + } + + break; + } + + case OID_802_11_RTS_THRESHOLD: + { + + u32 ulTemp; + pSNMPMIB->oid = cpu_to_le16(RTSTHRESH_I); + + if (cmd_action == CMD_ACT_GET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET); + } else if (cmd_action == CMD_ACT_SET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET); + pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16)); + ulTemp = *((u32 *)pdata_buf); + *(__le16 *)(pSNMPMIB->value) = + cpu_to_le16((u16) ulTemp); + + } + break; + } + case OID_802_11_TX_RETRYCOUNT: + pSNMPMIB->oid = cpu_to_le16((u16) SHORT_RETRYLIM_I); + + if (cmd_action == CMD_ACT_GET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_GET); + } else if (cmd_action == CMD_ACT_SET) { + pSNMPMIB->querytype = cpu_to_le16(CMD_ACT_SET); + pSNMPMIB->bufsize = cpu_to_le16(sizeof(u16)); + *((__le16 *)(pSNMPMIB->value)) = + cpu_to_le16((u16) priv->txretrycount); + } + + break; + default: + break; + } + + lbs_deb_cmd( + "SNMP_CMD: command=0x%x, size=0x%x, seqnum=0x%x, result=0x%x\n", + le16_to_cpu(cmd->command), le16_to_cpu(cmd->size), + le16_to_cpu(cmd->seqnum), le16_to_cpu(cmd->result)); + + lbs_deb_cmd( + "SNMP_CMD: action 0x%x, oid 0x%x, oidsize 0x%x, value 0x%x\n", + le16_to_cpu(pSNMPMIB->querytype), le16_to_cpu(pSNMPMIB->oid), + le16_to_cpu(pSNMPMIB->bufsize), + le16_to_cpu(*(__le16 *) pSNMPMIB->value)); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_radio_control(struct lbs_private *priv, + struct cmd_ds_command *cmd, + int cmd_action) +{ + struct cmd_ds_802_11_radio_control *pradiocontrol = &cmd->params.radio; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->size = + cpu_to_le16((sizeof(struct cmd_ds_802_11_radio_control)) + + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_802_11_RADIO_CONTROL); + + pradiocontrol->action = cpu_to_le16(cmd_action); + + switch (priv->preamble) { + case CMD_TYPE_SHORT_PREAMBLE: + pradiocontrol->control = cpu_to_le16(SET_SHORT_PREAMBLE); + break; + + case CMD_TYPE_LONG_PREAMBLE: + pradiocontrol->control = cpu_to_le16(SET_LONG_PREAMBLE); + break; + + case CMD_TYPE_AUTO_PREAMBLE: + default: + pradiocontrol->control = cpu_to_le16(SET_AUTO_PREAMBLE); + break; + } + + if (priv->radioon) + pradiocontrol->control |= cpu_to_le16(TURN_ON_RF); + else + pradiocontrol->control &= cpu_to_le16(~TURN_ON_RF); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_rf_tx_power(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, void *pdata_buf) +{ + + struct cmd_ds_802_11_rf_tx_power *prtp = &cmd->params.txp; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->size = + cpu_to_le16((sizeof(struct cmd_ds_802_11_rf_tx_power)) + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_802_11_RF_TX_POWER); + prtp->action = cpu_to_le16(cmd_action); + + lbs_deb_cmd("RF_TX_POWER_CMD: size:%d cmd:0x%x Act:%d\n", + le16_to_cpu(cmd->size), le16_to_cpu(cmd->command), + le16_to_cpu(prtp->action)); + + switch (cmd_action) { + case CMD_ACT_TX_POWER_OPT_GET: + prtp->action = cpu_to_le16(CMD_ACT_GET); + prtp->currentlevel = 0; + break; + + case CMD_ACT_TX_POWER_OPT_SET_HIGH: + prtp->action = cpu_to_le16(CMD_ACT_SET); + prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_HIGH); + break; + + case CMD_ACT_TX_POWER_OPT_SET_MID: + prtp->action = cpu_to_le16(CMD_ACT_SET); + prtp->currentlevel = cpu_to_le16(CMD_ACT_TX_POWER_INDEX_MID); + break; + + case CMD_ACT_TX_POWER_OPT_SET_LOW: + prtp->action = cpu_to_le16(CMD_ACT_SET); + prtp->currentlevel = cpu_to_le16(*((u16 *) pdata_buf)); + break; + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_monitor_mode(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, void *pdata_buf) +{ + struct cmd_ds_802_11_monitor_mode *monitor = &cmd->params.monitor; + + cmd->command = cpu_to_le16(CMD_802_11_MONITOR_MODE); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_monitor_mode) + + S_DS_GEN); + + monitor->action = cpu_to_le16(cmd_action); + if (cmd_action == CMD_ACT_SET) { + monitor->mode = + cpu_to_le16((u16) (*(u32 *) pdata_buf)); + } + + return 0; +} + +static int lbs_cmd_802_11_rate_adapt_rateset(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + struct cmd_ds_802_11_rate_adapt_rateset + *rateadapt = &cmd->params.rateset; + + lbs_deb_enter(LBS_DEB_CMD); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_rate_adapt_rateset) + + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_802_11_RATE_ADAPT_RATESET); + + rateadapt->action = cpu_to_le16(cmd_action); + rateadapt->enablehwauto = cpu_to_le16(priv->enablehwauto); + rateadapt->bitmap = cpu_to_le16(priv->ratebitmap); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +/** + * @brief Get the current data rate + * + * @param priv A pointer to struct lbs_private structure + * + * @return The data rate on success, error on failure + */ +int lbs_get_data_rate(struct lbs_private *priv) +{ + struct cmd_ds_802_11_data_rate cmd; + int ret = -1; + + lbs_deb_enter(LBS_DEB_CMD); + + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_ACT_GET_TX_RATE); + + ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd); + if (ret) + goto out; + + lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd)); + + ret = (int) lbs_fw_index_to_data_rate(cmd.rates[0]); + lbs_deb_cmd("DATA_RATE: current rate 0x%02x\n", ret); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +/** + * @brief Set the data rate + * + * @param priv A pointer to struct lbs_private structure + * @param rate The desired data rate, or 0 to clear a locked rate + * + * @return 0 on success, error on failure + */ +int lbs_set_data_rate(struct lbs_private *priv, u8 rate) +{ + struct cmd_ds_802_11_data_rate cmd; + int ret = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + memset(&cmd, 0, sizeof(cmd)); + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + + if (rate > 0) { + cmd.action = cpu_to_le16(CMD_ACT_SET_TX_FIX_RATE); + cmd.rates[0] = lbs_data_rate_to_fw_index(rate); + if (cmd.rates[0] == 0) { + lbs_deb_cmd("DATA_RATE: invalid requested rate of" + " 0x%02X\n", rate); + ret = 0; + goto out; + } + lbs_deb_cmd("DATA_RATE: set fixed 0x%02X\n", cmd.rates[0]); + } else { + cmd.action = cpu_to_le16(CMD_ACT_SET_TX_AUTO); + lbs_deb_cmd("DATA_RATE: setting auto\n"); + } + + ret = lbs_cmd_with_response(priv, CMD_802_11_DATA_RATE, cmd); + if (ret) + goto out; + + lbs_deb_hex(LBS_DEB_CMD, "DATA_RATE_RESP", (u8 *) &cmd, sizeof (cmd)); + + /* FIXME: get actual rates FW can do if this command actually returns + * all data rates supported. + */ + priv->cur_rate = lbs_fw_index_to_data_rate(cmd.rates[0]); + lbs_deb_cmd("DATA_RATE: current rate is 0x%02x\n", priv->cur_rate); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +static int lbs_cmd_mac_multicast_adr(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + struct cmd_ds_mac_multicast_adr *pMCastAdr = &cmd->params.madr; + + lbs_deb_enter(LBS_DEB_CMD); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_multicast_adr) + + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_MAC_MULTICAST_ADR); + + lbs_deb_cmd("MULTICAST_ADR: setting %d addresses\n", pMCastAdr->nr_of_adrs); + pMCastAdr->action = cpu_to_le16(cmd_action); + pMCastAdr->nr_of_adrs = + cpu_to_le16((u16) priv->nr_of_multicastmacaddr); + memcpy(pMCastAdr->maclist, priv->multicastlist, + priv->nr_of_multicastmacaddr * ETH_ALEN); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +/** + * @brief Get the radio channel + * + * @param priv A pointer to struct lbs_private structure + * + * @return The channel on success, error on failure + */ +int lbs_get_channel(struct lbs_private *priv) +{ + struct cmd_ds_802_11_rf_channel cmd; + int ret = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_GET); + + ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd); + if (ret) + goto out; + + ret = le16_to_cpu(cmd.channel); + lbs_deb_cmd("current radio channel is %d\n", ret); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +/** + * @brief Set the radio channel + * + * @param priv A pointer to struct lbs_private structure + * @param channel The desired channel, or 0 to clear a locked channel + * + * @return 0 on success, error on failure + */ +int lbs_set_channel(struct lbs_private *priv, u8 channel) +{ + struct cmd_ds_802_11_rf_channel cmd; + u8 old_channel = priv->curbssparams.channel; + int ret = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd.hdr.size = cpu_to_le16(sizeof(cmd)); + cmd.action = cpu_to_le16(CMD_OPT_802_11_RF_CHANNEL_SET); + cmd.channel = cpu_to_le16(channel); + + ret = lbs_cmd_with_response(priv, CMD_802_11_RF_CHANNEL, cmd); + if (ret) + goto out; + + priv->curbssparams.channel = (uint8_t) le16_to_cpu(cmd.channel); + lbs_deb_cmd("channel switch from %d to %d\n", old_channel, + priv->curbssparams.channel); + +out: + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +static int lbs_cmd_802_11_rssi(struct lbs_private *priv, + struct cmd_ds_command *cmd) +{ + + lbs_deb_enter(LBS_DEB_CMD); + cmd->command = cpu_to_le16(CMD_802_11_RSSI); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_rssi) + S_DS_GEN); + cmd->params.rssi.N = cpu_to_le16(DEFAULT_BCN_AVG_FACTOR); + + /* reset Beacon SNR/NF/RSSI values */ + priv->SNR[TYPE_BEACON][TYPE_NOAVG] = 0; + priv->SNR[TYPE_BEACON][TYPE_AVG] = 0; + priv->NF[TYPE_BEACON][TYPE_NOAVG] = 0; + priv->NF[TYPE_BEACON][TYPE_AVG] = 0; + priv->RSSI[TYPE_BEACON][TYPE_NOAVG] = 0; + priv->RSSI[TYPE_BEACON][TYPE_AVG] = 0; + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_reg_access(struct lbs_private *priv, + struct cmd_ds_command *cmdptr, + u8 cmd_action, void *pdata_buf) +{ + struct lbs_offset_value *offval; + + lbs_deb_enter(LBS_DEB_CMD); + + offval = (struct lbs_offset_value *)pdata_buf; + + switch (le16_to_cpu(cmdptr->command)) { + case CMD_MAC_REG_ACCESS: + { + struct cmd_ds_mac_reg_access *macreg; + + cmdptr->size = + cpu_to_le16(sizeof (struct cmd_ds_mac_reg_access) + + S_DS_GEN); + macreg = + (struct cmd_ds_mac_reg_access *)&cmdptr->params. + macreg; + + macreg->action = cpu_to_le16(cmd_action); + macreg->offset = cpu_to_le16((u16) offval->offset); + macreg->value = cpu_to_le32(offval->value); + + break; + } + + case CMD_BBP_REG_ACCESS: + { + struct cmd_ds_bbp_reg_access *bbpreg; + + cmdptr->size = + cpu_to_le16(sizeof + (struct cmd_ds_bbp_reg_access) + + S_DS_GEN); + bbpreg = + (struct cmd_ds_bbp_reg_access *)&cmdptr->params. + bbpreg; + + bbpreg->action = cpu_to_le16(cmd_action); + bbpreg->offset = cpu_to_le16((u16) offval->offset); + bbpreg->value = (u8) offval->value; + + break; + } + + case CMD_RF_REG_ACCESS: + { + struct cmd_ds_rf_reg_access *rfreg; + + cmdptr->size = + cpu_to_le16(sizeof + (struct cmd_ds_rf_reg_access) + + S_DS_GEN); + rfreg = + (struct cmd_ds_rf_reg_access *)&cmdptr->params. + rfreg; + + rfreg->action = cpu_to_le16(cmd_action); + rfreg->offset = cpu_to_le16((u16) offval->offset); + rfreg->value = (u8) offval->value; + + break; + } + + default: + break; + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_mac_address(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + + lbs_deb_enter(LBS_DEB_CMD); + cmd->command = cpu_to_le16(CMD_802_11_MAC_ADDRESS); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_mac_address) + + S_DS_GEN); + cmd->result = 0; + + cmd->params.macadd.action = cpu_to_le16(cmd_action); + + if (cmd_action == CMD_ACT_SET) { + memcpy(cmd->params.macadd.macadd, + priv->current_addr, ETH_ALEN); + lbs_deb_hex(LBS_DEB_CMD, "SET_CMD: MAC addr", priv->current_addr, 6); + } + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_802_11_eeprom_access(struct lbs_private *priv, + struct cmd_ds_command *cmd, + int cmd_action, void *pdata_buf) +{ + struct lbs_ioctl_regrdwr *ea = pdata_buf; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_802_11_EEPROM_ACCESS); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_eeprom_access) + + S_DS_GEN); + cmd->result = 0; + + cmd->params.rdeeprom.action = cpu_to_le16(ea->action); + cmd->params.rdeeprom.offset = cpu_to_le16(ea->offset); + cmd->params.rdeeprom.bytecount = cpu_to_le16(ea->NOB); + cmd->params.rdeeprom.value = 0; + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_bt_access(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, void *pdata_buf) +{ + struct cmd_ds_bt_access *bt_access = &cmd->params.bt; + lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); + + cmd->command = cpu_to_le16(CMD_BT_ACCESS); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_bt_access) + S_DS_GEN); + cmd->result = 0; + bt_access->action = cpu_to_le16(cmd_action); + + switch (cmd_action) { + case CMD_ACT_BT_ACCESS_ADD: + memcpy(bt_access->addr1, pdata_buf, 2 * ETH_ALEN); + lbs_deb_hex(LBS_DEB_MESH, "BT_ADD: blinded MAC addr", bt_access->addr1, 6); + break; + case CMD_ACT_BT_ACCESS_DEL: + memcpy(bt_access->addr1, pdata_buf, 1 * ETH_ALEN); + lbs_deb_hex(LBS_DEB_MESH, "BT_DEL: blinded MAC addr", bt_access->addr1, 6); + break; + case CMD_ACT_BT_ACCESS_LIST: + bt_access->id = cpu_to_le32(*(u32 *) pdata_buf); + break; + case CMD_ACT_BT_ACCESS_RESET: + break; + case CMD_ACT_BT_ACCESS_SET_INVERT: + bt_access->id = cpu_to_le32(*(u32 *) pdata_buf); + break; + case CMD_ACT_BT_ACCESS_GET_INVERT: + break; + default: + break; + } + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +static int lbs_cmd_fwt_access(struct lbs_private *priv, + struct cmd_ds_command *cmd, + u16 cmd_action, void *pdata_buf) +{ + struct cmd_ds_fwt_access *fwt_access = &cmd->params.fwt; + lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); + + cmd->command = cpu_to_le16(CMD_FWT_ACCESS); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_fwt_access) + S_DS_GEN); + cmd->result = 0; + + if (pdata_buf) + memcpy(fwt_access, pdata_buf, sizeof(*fwt_access)); + else + memset(fwt_access, 0, sizeof(*fwt_access)); + + fwt_access->action = cpu_to_le16(cmd_action); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +int lbs_mesh_access(struct lbs_private *priv, uint16_t cmd_action, + struct cmd_ds_mesh_access *cmd) +{ + int ret; + + lbs_deb_enter_args(LBS_DEB_CMD, "action %d", cmd_action); + + cmd->hdr.command = cpu_to_le16(CMD_MESH_ACCESS); + cmd->hdr.size = cpu_to_le16(sizeof(struct cmd_ds_mesh_access) + S_DS_GEN); + cmd->hdr.result = 0; + + cmd->action = cpu_to_le16(cmd_action); + + ret = lbs_cmd_with_response(priv, CMD_MESH_ACCESS, (*cmd)); + + lbs_deb_leave(LBS_DEB_CMD); + return ret; +} +EXPORT_SYMBOL_GPL(lbs_mesh_access); + +int lbs_mesh_config(struct lbs_private *priv, int enable) +{ + struct cmd_ds_mesh_config cmd; + + memset(&cmd, 0, sizeof(cmd)); + cmd.action = cpu_to_le16(enable); + cmd.channel = cpu_to_le16(priv->curbssparams.channel); + cmd.type = cpu_to_le16(0x100 + 37); + + if (enable) { + cmd.length = cpu_to_le16(priv->mesh_ssid_len); + memcpy(cmd.data, priv->mesh_ssid, priv->mesh_ssid_len); + } + + return lbs_cmd_with_response(priv, CMD_MESH_CONFIG, cmd); +} + +static int lbs_cmd_bcn_ctrl(struct lbs_private * priv, + struct cmd_ds_command *cmd, + u16 cmd_action) +{ + struct cmd_ds_802_11_beacon_control + *bcn_ctrl = &cmd->params.bcn_ctrl; + + lbs_deb_enter(LBS_DEB_CMD); + cmd->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_beacon_control) + + S_DS_GEN); + cmd->command = cpu_to_le16(CMD_802_11_BEACON_CTRL); + + bcn_ctrl->action = cpu_to_le16(cmd_action); + bcn_ctrl->beacon_enable = cpu_to_le16(priv->beacon_enable); + bcn_ctrl->beacon_period = cpu_to_le16(priv->beacon_period); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +/* + * Note: NEVER use lbs_queue_cmd() with addtail==0 other than for + * the command timer, because it does not account for queued commands. + */ +void lbs_queue_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *cmdnode, + u8 addtail) +{ + unsigned long flags; + + lbs_deb_enter(LBS_DEB_HOST); + + if (!cmdnode || !cmdnode->cmdbuf) { + lbs_deb_host("QUEUE_CMD: cmdnode or cmdbuf is NULL\n"); + goto done; + } + + /* Exit_PS command needs to be queued in the header always. */ + if (le16_to_cpu(cmdnode->cmdbuf->command) == CMD_802_11_PS_MODE) { + struct cmd_ds_802_11_ps_mode *psm = (void *) cmdnode->cmdbuf; + + if (psm->action == cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { + if (priv->psstate != PS_STATE_FULL_POWER) + addtail = 0; + } + } + + spin_lock_irqsave(&priv->driver_lock, flags); + + if (addtail) + list_add_tail(&cmdnode->list, &priv->cmdpendingq); + else + list_add(&cmdnode->list, &priv->cmdpendingq); + + spin_unlock_irqrestore(&priv->driver_lock, flags); + + lbs_deb_host("QUEUE_CMD: inserted command 0x%04x into cmdpendingq\n", + le16_to_cpu(cmdnode->cmdbuf->command)); + +done: + lbs_deb_leave(LBS_DEB_HOST); +} + +/* + * TODO: Fix the issue when DownloadcommandToStation is being called the + * second time when the command times out. All the cmdptr->xxx are in little + * endian and therefore all the comparissions will fail. + * For now - we are not performing the endian conversion the second time - but + * for PS and DEEP_SLEEP we need to worry + */ +static int DownloadcommandToStation(struct lbs_private *priv, + struct cmd_ctrl_node *cmdnode) +{ + unsigned long flags; + struct cmd_header *cmd; + int ret = -1; + u16 cmdsize; + u16 command; + + lbs_deb_enter(LBS_DEB_HOST); + + if (!priv || !cmdnode) { + lbs_deb_host("DNLD_CMD: priv or cmdmode is NULL\n"); + goto done; + } + + cmd = cmdnode->cmdbuf; + + spin_lock_irqsave(&priv->driver_lock, flags); + if (!cmd || !cmd->size) { + lbs_deb_host("DNLD_CMD: cmdptr is NULL or zero\n"); + __lbs_cleanup_and_insert_cmd(priv, cmdnode); + spin_unlock_irqrestore(&priv->driver_lock, flags); + goto done; + } + + priv->cur_cmd = cmdnode; + priv->cur_cmd_retcode = 0; + spin_unlock_irqrestore(&priv->driver_lock, flags); + + cmdsize = le16_to_cpu(cmd->size); + command = le16_to_cpu(cmd->command); + + lbs_deb_host("DNLD_CMD: command 0x%04x, size %d, jiffies %lu\n", + command, cmdsize, jiffies); + lbs_deb_hex(LBS_DEB_HOST, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize); + + cmdnode->cmdwaitqwoken = 0; + + ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize); + + if (ret != 0) { + lbs_deb_host("DNLD_CMD: hw_host_to_card failed\n"); + spin_lock_irqsave(&priv->driver_lock, flags); + priv->cur_cmd_retcode = ret; + __lbs_cleanup_and_insert_cmd(priv, priv->cur_cmd); + priv->cur_cmd = NULL; + spin_unlock_irqrestore(&priv->driver_lock, flags); + goto done; + } + + lbs_deb_cmd("DNLD_CMD: sent command 0x%04x, jiffies %lu\n", command, jiffies); + + /* Setup the timer after transmit command */ + if (command == CMD_802_11_SCAN || command == CMD_802_11_AUTHENTICATE + || command == CMD_802_11_ASSOCIATE) + mod_timer(&priv->command_timer, jiffies + (10*HZ)); + else + mod_timer(&priv->command_timer, jiffies + (5*HZ)); + + ret = 0; + +done: + lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + return ret; +} + +static int lbs_cmd_mac_control(struct lbs_private *priv, + struct cmd_ds_command *cmd) +{ + struct cmd_ds_mac_control *mac = &cmd->params.macctrl; + + lbs_deb_enter(LBS_DEB_CMD); + + cmd->command = cpu_to_le16(CMD_MAC_CONTROL); + cmd->size = cpu_to_le16(sizeof(struct cmd_ds_mac_control) + S_DS_GEN); + mac->action = cpu_to_le16(priv->currentpacketfilter); + + lbs_deb_cmd("MAC_CONTROL: action 0x%x, size %d\n", + le16_to_cpu(mac->action), le16_to_cpu(cmd->size)); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +/** + * This function inserts command node to cmdfreeq + * after cleans it. Requires priv->driver_lock held. + */ +void __lbs_cleanup_and_insert_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *ptempcmd) +{ + + if (!ptempcmd) + return; + + cleanup_cmdnode(ptempcmd); + list_add_tail(&ptempcmd->list, &priv->cmdfreeq); +} + +static void lbs_cleanup_and_insert_cmd(struct lbs_private *priv, + struct cmd_ctrl_node *ptempcmd) +{ + unsigned long flags; + + spin_lock_irqsave(&priv->driver_lock, flags); + __lbs_cleanup_and_insert_cmd(priv, ptempcmd); + spin_unlock_irqrestore(&priv->driver_lock, flags); +} + +int lbs_set_radio_control(struct lbs_private *priv) +{ + int ret = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + ret = lbs_prepare_and_send_command(priv, + CMD_802_11_RADIO_CONTROL, + CMD_ACT_SET, + CMD_OPTION_WAITFORRSP, 0, NULL); + + lbs_deb_cmd("RADIO_SET: radio %d, preamble %d\n", + priv->radioon, priv->preamble); + + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +int lbs_set_mac_packet_filter(struct lbs_private *priv) +{ + int ret = 0; + + lbs_deb_enter(LBS_DEB_CMD); + + /* Send MAC control command to station */ + ret = lbs_prepare_and_send_command(priv, + CMD_MAC_CONTROL, 0, 0, 0, NULL); + + lbs_deb_leave_args(LBS_DEB_CMD, "ret %d", ret); + return ret; +} + +/** + * @brief This function prepare the command before send to firmware. + * + * @param priv A pointer to struct lbs_private structure + * @param cmd_no command number + * @param cmd_action command action: GET or SET + * @param wait_option wait option: wait response or not + * @param cmd_oid cmd oid: treated as sub command + * @param pdata_buf A pointer to informaion buffer + * @return 0 or -1 + */ +int lbs_prepare_and_send_command(struct lbs_private *priv, + u16 cmd_no, + u16 cmd_action, + u16 wait_option, u32 cmd_oid, void *pdata_buf) +{ + int ret = 0; + struct cmd_ctrl_node *cmdnode; + struct cmd_ds_command *cmdptr; + unsigned long flags; + + lbs_deb_enter(LBS_DEB_HOST); + + if (!priv) { + lbs_deb_host("PREP_CMD: priv is NULL\n"); + ret = -1; + goto done; + } + + if (priv->surpriseremoved) { + lbs_deb_host("PREP_CMD: card removed\n"); + ret = -1; + goto done; + } + + cmdnode = lbs_get_cmd_ctrl_node(priv); + + if (cmdnode == NULL) { + lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); + + /* Wake up main thread to execute next command */ + wake_up_interruptible(&priv->waitq); + ret = -1; + goto done; + } + + lbs_set_cmd_ctrl_node(priv, cmdnode, wait_option, pdata_buf); + + cmdptr = (struct cmd_ds_command *)cmdnode->cmdbuf; + + lbs_deb_host("PREP_CMD: command 0x%04x\n", cmd_no); + + if (!cmdptr) { + lbs_deb_host("PREP_CMD: cmdptr is NULL\n"); + lbs_cleanup_and_insert_cmd(priv, cmdnode); + ret = -1; + goto done; + } + + /* Set sequence number, command and INT option */ + priv->seqnum++; + cmdptr->seqnum = cpu_to_le16(priv->seqnum); + + cmdptr->command = cpu_to_le16(cmd_no); + cmdptr->result = 0; + + switch (cmd_no) { + case CMD_802_11_PS_MODE: + ret = lbs_cmd_802_11_ps_mode(priv, cmdptr, cmd_action); + break; + + case CMD_802_11_SCAN: + ret = lbs_cmd_80211_scan(priv, cmdptr, pdata_buf); + break; + + case CMD_MAC_CONTROL: + ret = lbs_cmd_mac_control(priv, cmdptr); + break; + + case CMD_802_11_ASSOCIATE: + case CMD_802_11_REASSOCIATE: + ret = lbs_cmd_80211_associate(priv, cmdptr, pdata_buf); + break; + + case CMD_802_11_DEAUTHENTICATE: + ret = lbs_cmd_80211_deauthenticate(priv, cmdptr); + break; + + case CMD_802_11_SET_WEP: + ret = lbs_cmd_802_11_set_wep(priv, cmdptr, cmd_action, pdata_buf); + break; + + case CMD_802_11_AD_HOC_START: + ret = lbs_cmd_80211_ad_hoc_start(priv, cmdptr, pdata_buf); + break; + case CMD_CODE_DNLD: + break; + + case CMD_802_11_RESET: + ret = lbs_cmd_802_11_reset(priv, cmdptr, cmd_action); + break; + + case CMD_802_11_GET_LOG: + ret = lbs_cmd_802_11_get_log(priv, cmdptr); + break; + + case CMD_802_11_AUTHENTICATE: + ret = lbs_cmd_80211_authenticate(priv, cmdptr, pdata_buf); + break; + + case CMD_802_11_GET_STAT: + ret = lbs_cmd_802_11_get_stat(priv, cmdptr); + break; + + case CMD_802_11_SNMP_MIB: + ret = lbs_cmd_802_11_snmp_mib(priv, cmdptr, + cmd_action, cmd_oid, pdata_buf); + break; + + case CMD_MAC_REG_ACCESS: + case CMD_BBP_REG_ACCESS: + case CMD_RF_REG_ACCESS: + ret = lbs_cmd_reg_access(priv, cmdptr, cmd_action, pdata_buf); + break; + + case CMD_802_11_RF_TX_POWER: + ret = lbs_cmd_802_11_rf_tx_power(priv, cmdptr, + cmd_action, pdata_buf); + break; + + case CMD_802_11_RADIO_CONTROL: + ret = lbs_cmd_802_11_radio_control(priv, cmdptr, cmd_action); + break; + + case CMD_802_11_RATE_ADAPT_RATESET: + ret = lbs_cmd_802_11_rate_adapt_rateset(priv, + cmdptr, cmd_action); + break; + + case CMD_MAC_MULTICAST_ADR: + ret = lbs_cmd_mac_multicast_adr(priv, cmdptr, cmd_action); + break; + + case CMD_802_11_MONITOR_MODE: + ret = lbs_cmd_802_11_monitor_mode(priv, cmdptr, + cmd_action, pdata_buf); + break; + + case CMD_802_11_AD_HOC_JOIN: + ret = lbs_cmd_80211_ad_hoc_join(priv, cmdptr, pdata_buf); + break; + + case CMD_802_11_RSSI: + ret = lbs_cmd_802_11_rssi(priv, cmdptr); + break; + + case CMD_802_11_AD_HOC_STOP: + ret = lbs_cmd_80211_ad_hoc_stop(priv, cmdptr); + break; + + case CMD_802_11_ENABLE_RSN: + ret = lbs_cmd_802_11_enable_rsn(priv, cmdptr, cmd_action, + pdata_buf); + break; + + case CMD_802_11_KEY_MATERIAL: + ret = lbs_cmd_802_11_key_material(priv, cmdptr, cmd_action, + cmd_oid, pdata_buf); + break; + + case CMD_802_11_PAIRWISE_TSC: + break; + case CMD_802_11_GROUP_TSC: + break; + + case CMD_802_11_MAC_ADDRESS: + ret = lbs_cmd_802_11_mac_address(priv, cmdptr, cmd_action); + break; + + case CMD_802_11_EEPROM_ACCESS: + ret = lbs_cmd_802_11_eeprom_access(priv, cmdptr, + cmd_action, pdata_buf); + break; + + case CMD_802_11_SET_AFC: + case CMD_802_11_GET_AFC: + + cmdptr->command = cpu_to_le16(cmd_no); + cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_802_11_afc) + + S_DS_GEN); + + memmove(&cmdptr->params.afc, + pdata_buf, sizeof(struct cmd_ds_802_11_afc)); + + ret = 0; + goto done; + + case CMD_802_11D_DOMAIN_INFO: + ret = lbs_cmd_802_11d_domain_info(priv, cmdptr, + cmd_no, cmd_action); + break; + + case CMD_802_11_SLEEP_PARAMS: + ret = lbs_cmd_802_11_sleep_params(priv, cmdptr, cmd_action); + break; + case CMD_802_11_INACTIVITY_TIMEOUT: + ret = lbs_cmd_802_11_inactivity_timeout(priv, cmdptr, + cmd_action, pdata_buf); + lbs_set_cmd_ctrl_node(priv, cmdnode, 0, pdata_buf); + break; + + case CMD_802_11_TPC_CFG: + cmdptr->command = cpu_to_le16(CMD_802_11_TPC_CFG); + cmdptr->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_tpc_cfg) + + S_DS_GEN); + + memmove(&cmdptr->params.tpccfg, + pdata_buf, sizeof(struct cmd_ds_802_11_tpc_cfg)); + + ret = 0; + break; + case CMD_802_11_LED_GPIO_CTRL: + { + struct mrvlietypes_ledgpio *gpio = + (struct mrvlietypes_ledgpio*) + cmdptr->params.ledgpio.data; + + memmove(&cmdptr->params.ledgpio, + pdata_buf, + sizeof(struct cmd_ds_802_11_led_ctrl)); + + cmdptr->command = + cpu_to_le16(CMD_802_11_LED_GPIO_CTRL); + +#define ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN 8 + cmdptr->size = + cpu_to_le16(le16_to_cpu(gpio->header.len) + + S_DS_GEN + + ACTION_NUMLED_TLVTYPE_LEN_FIELDS_LEN); + gpio->header.len = gpio->header.len; + + ret = 0; + break; + } + case CMD_802_11_SUBSCRIBE_EVENT: + lbs_cmd_802_11_subscribe_event(priv, cmdptr, + cmd_action, pdata_buf); + break; + case CMD_802_11_PWR_CFG: + cmdptr->command = cpu_to_le16(CMD_802_11_PWR_CFG); + cmdptr->size = + cpu_to_le16(sizeof(struct cmd_ds_802_11_pwr_cfg) + + S_DS_GEN); + memmove(&cmdptr->params.pwrcfg, pdata_buf, + sizeof(struct cmd_ds_802_11_pwr_cfg)); + + ret = 0; + break; + case CMD_BT_ACCESS: + ret = lbs_cmd_bt_access(priv, cmdptr, cmd_action, pdata_buf); + break; + + case CMD_FWT_ACCESS: + ret = lbs_cmd_fwt_access(priv, cmdptr, cmd_action, pdata_buf); + break; + + case CMD_GET_TSF: + cmdptr->command = cpu_to_le16(CMD_GET_TSF); + cmdptr->size = cpu_to_le16(sizeof(struct cmd_ds_get_tsf) + + S_DS_GEN); + ret = 0; + break; + case CMD_802_11_BEACON_CTRL: + ret = lbs_cmd_bcn_ctrl(priv, cmdptr, cmd_action); + break; + default: + lbs_deb_host("PREP_CMD: unknown command 0x%04x\n", cmd_no); + ret = -1; + break; + } + + /* return error, since the command preparation failed */ + if (ret != 0) { + lbs_deb_host("PREP_CMD: command preparation failed\n"); + lbs_cleanup_and_insert_cmd(priv, cmdnode); + ret = -1; + goto done; + } + + cmdnode->cmdwaitqwoken = 0; + + lbs_queue_cmd(priv, cmdnode, 1); + wake_up_interruptible(&priv->waitq); + + if (wait_option & CMD_OPTION_WAITFORRSP) { + lbs_deb_host("PREP_CMD: wait for response\n"); + might_sleep(); + wait_event_interruptible(cmdnode->cmdwait_q, + cmdnode->cmdwaitqwoken); + } + + spin_lock_irqsave(&priv->driver_lock, flags); + if (priv->cur_cmd_retcode) { + lbs_deb_host("PREP_CMD: command failed with return code %d\n", + priv->cur_cmd_retcode); + priv->cur_cmd_retcode = 0; + ret = -1; + } + spin_unlock_irqrestore(&priv->driver_lock, flags); + +done: + lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + return ret; +} +EXPORT_SYMBOL_GPL(lbs_prepare_and_send_command); + +/** + * @brief This function allocates the command buffer and link + * it to command free queue. + * + * @param priv A pointer to struct lbs_private structure + * @return 0 or -1 + */ +int lbs_allocate_cmd_buffer(struct lbs_private *priv) +{ + int ret = 0; + u32 bufsize; + u32 i; + struct cmd_ctrl_node *cmdarray; + + lbs_deb_enter(LBS_DEB_HOST); + + /* Allocate and initialize the command array */ + bufsize = sizeof(struct cmd_ctrl_node) * LBS_NUM_CMD_BUFFERS; + if (!(cmdarray = kzalloc(bufsize, GFP_KERNEL))) { + lbs_deb_host("ALLOC_CMD_BUF: tempcmd_array is NULL\n"); + ret = -1; + goto done; + } + priv->cmd_array = cmdarray; + + /* Allocate and initialize each command buffer in the command array */ + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + cmdarray[i].cmdbuf = kzalloc(LBS_CMD_BUFFER_SIZE, GFP_KERNEL); + if (!cmdarray[i].cmdbuf) { + lbs_deb_host("ALLOC_CMD_BUF: ptempvirtualaddr is NULL\n"); + ret = -1; + goto done; + } + } + + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + init_waitqueue_head(&cmdarray[i].cmdwait_q); + lbs_cleanup_and_insert_cmd(priv, &cmdarray[i]); + } + ret = 0; + +done: + lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + return ret; +} + +/** + * @brief This function frees the command buffer. + * + * @param priv A pointer to struct lbs_private structure + * @return 0 or -1 + */ +int lbs_free_cmd_buffer(struct lbs_private *priv) +{ + struct cmd_ctrl_node *cmdarray; + unsigned int i; + + lbs_deb_enter(LBS_DEB_HOST); + + /* need to check if cmd array is allocated or not */ + if (priv->cmd_array == NULL) { + lbs_deb_host("FREE_CMD_BUF: cmd_array is NULL\n"); + goto done; + } + + cmdarray = priv->cmd_array; + + /* Release shared memory buffers */ + for (i = 0; i < LBS_NUM_CMD_BUFFERS; i++) { + if (cmdarray[i].cmdbuf) { + kfree(cmdarray[i].cmdbuf); + cmdarray[i].cmdbuf = NULL; + } + } + + /* Release cmd_ctrl_node */ + if (priv->cmd_array) { + kfree(priv->cmd_array); + priv->cmd_array = NULL; + } + +done: + lbs_deb_leave(LBS_DEB_HOST); + return 0; +} + +/** + * @brief This function gets a free command node if available in + * command free queue. + * + * @param priv A pointer to struct lbs_private structure + * @return cmd_ctrl_node A pointer to cmd_ctrl_node structure or NULL + */ +static struct cmd_ctrl_node *lbs_get_cmd_ctrl_node(struct lbs_private *priv) +{ + struct cmd_ctrl_node *tempnode; + unsigned long flags; + + lbs_deb_enter(LBS_DEB_HOST); + + if (!priv) + return NULL; + + spin_lock_irqsave(&priv->driver_lock, flags); + + if (!list_empty(&priv->cmdfreeq)) { + tempnode = list_first_entry(&priv->cmdfreeq, + struct cmd_ctrl_node, list); + list_del(&tempnode->list); + } else { + lbs_deb_host("GET_CMD_NODE: cmd_ctrl_node is not available\n"); + tempnode = NULL; + } + + spin_unlock_irqrestore(&priv->driver_lock, flags); + + if (tempnode) + cleanup_cmdnode(tempnode); + + lbs_deb_leave(LBS_DEB_HOST); + return tempnode; +} + +/** + * @brief This function cleans command node. + * + * @param ptempnode A pointer to cmdCtrlNode structure + * @return n/a + */ +static void cleanup_cmdnode(struct cmd_ctrl_node *cmdnode) +{ + lbs_deb_enter(LBS_DEB_HOST); + + if (!cmdnode) + return; + cmdnode->cmdwaitqwoken = 1; + wake_up_interruptible(&cmdnode->cmdwait_q); + cmdnode->wait_option = 0; + cmdnode->pdata_buf = NULL; + cmdnode->callback = NULL; + cmdnode->callback_arg = 0; + + if (cmdnode->cmdbuf != NULL) + memset(cmdnode->cmdbuf, 0, LBS_CMD_BUFFER_SIZE); + + lbs_deb_leave(LBS_DEB_HOST); +} + +/** + * @brief This function initializes the command node. + * + * @param priv A pointer to struct lbs_private structure + * @param ptempnode A pointer to cmd_ctrl_node structure + * @param wait_option wait option: wait response or not + * @param pdata_buf A pointer to informaion buffer + * @return 0 or -1 + */ +static void lbs_set_cmd_ctrl_node(struct lbs_private *priv, + struct cmd_ctrl_node *ptempnode, + u16 wait_option, void *pdata_buf) +{ + lbs_deb_enter(LBS_DEB_HOST); + + if (!ptempnode) + return; + + ptempnode->wait_option = wait_option; + ptempnode->pdata_buf = pdata_buf; + ptempnode->callback = NULL; + ptempnode->callback_arg = 0; + + lbs_deb_leave(LBS_DEB_HOST); +} + +/** + * @brief This function executes next command in command + * pending queue. It will put fimware back to PS mode + * if applicable. + * + * @param priv A pointer to struct lbs_private structure + * @return 0 or -1 + */ +int lbs_execute_next_command(struct lbs_private *priv) +{ + struct cmd_ctrl_node *cmdnode = NULL; + struct cmd_header *cmd; + unsigned long flags; + int ret = 0; + + // Debug group is LBS_DEB_THREAD and not LBS_DEB_HOST, because the + // only caller to us is lbs_thread() and we get even when a + // data packet is received + lbs_deb_enter(LBS_DEB_THREAD); + + spin_lock_irqsave(&priv->driver_lock, flags); + + if (priv->cur_cmd) { + lbs_pr_alert( "EXEC_NEXT_CMD: already processing command!\n"); + spin_unlock_irqrestore(&priv->driver_lock, flags); + ret = -1; + goto done; + } + + if (!list_empty(&priv->cmdpendingq)) { + cmdnode = list_first_entry(&priv->cmdpendingq, + struct cmd_ctrl_node, list); + } + + spin_unlock_irqrestore(&priv->driver_lock, flags); + + if (cmdnode) { + cmd = cmdnode->cmdbuf; + + if (is_command_allowed_in_ps(le16_to_cpu(cmd->command))) { + if ((priv->psstate == PS_STATE_SLEEP) || + (priv->psstate == PS_STATE_PRE_SLEEP)) { + lbs_deb_host( + "EXEC_NEXT_CMD: cannot send cmd 0x%04x in psstate %d\n", + le16_to_cpu(cmd->command), + priv->psstate); + ret = -1; + goto done; + } + lbs_deb_host("EXEC_NEXT_CMD: OK to send command " + "0x%04x in psstate %d\n", + le16_to_cpu(cmd->command), priv->psstate); + } else if (priv->psstate != PS_STATE_FULL_POWER) { + /* + * 1. Non-PS command: + * Queue it. set needtowakeup to TRUE if current state + * is SLEEP, otherwise call lbs_ps_wakeup to send Exit_PS. + * 2. PS command but not Exit_PS: + * Ignore it. + * 3. PS command Exit_PS: + * Set needtowakeup to TRUE if current state is SLEEP, + * otherwise send this command down to firmware + * immediately. + */ + if (cmd->command != cpu_to_le16(CMD_802_11_PS_MODE)) { + /* Prepare to send Exit PS, + * this non PS command will be sent later */ + if ((priv->psstate == PS_STATE_SLEEP) + || (priv->psstate == PS_STATE_PRE_SLEEP) + ) { + /* w/ new scheme, it will not reach here. + since it is blocked in main_thread. */ + priv->needtowakeup = 1; + } else + lbs_ps_wakeup(priv, 0); + + ret = 0; + goto done; + } else { + /* + * PS command. Ignore it if it is not Exit_PS. + * otherwise send it down immediately. + */ + struct cmd_ds_802_11_ps_mode *psm = (void *)cmd; + + lbs_deb_host( + "EXEC_NEXT_CMD: PS cmd, action 0x%02x\n", + psm->action); + if (psm->action != + cpu_to_le16(CMD_SUBCMD_EXIT_PS)) { + lbs_deb_host( + "EXEC_NEXT_CMD: ignore ENTER_PS cmd\n"); + list_del(&cmdnode->list); + lbs_cleanup_and_insert_cmd(priv, cmdnode); + + ret = 0; + goto done; + } + + if ((priv->psstate == PS_STATE_SLEEP) || + (priv->psstate == PS_STATE_PRE_SLEEP)) { + lbs_deb_host( + "EXEC_NEXT_CMD: ignore EXIT_PS cmd in sleep\n"); + list_del(&cmdnode->list); + lbs_cleanup_and_insert_cmd(priv, cmdnode); + priv->needtowakeup = 1; + + ret = 0; + goto done; + } + + lbs_deb_host( + "EXEC_NEXT_CMD: sending EXIT_PS\n"); + } + } + list_del(&cmdnode->list); + lbs_deb_host("EXEC_NEXT_CMD: sending command 0x%04x\n", + le16_to_cpu(cmd->command)); + DownloadcommandToStation(priv, cmdnode); + } else { + /* + * check if in power save mode, if yes, put the device back + * to PS mode + */ + if ((priv->psmode != LBS802_11POWERMODECAM) && + (priv->psstate == PS_STATE_FULL_POWER) && + ((priv->connect_status == LBS_CONNECTED) || + (priv->mesh_connect_status == LBS_CONNECTED))) { + if (priv->secinfo.WPAenabled || + priv->secinfo.WPA2enabled) { + /* check for valid WPA group keys */ + if (priv->wpa_mcast_key.len || + priv->wpa_unicast_key.len) { + lbs_deb_host( + "EXEC_NEXT_CMD: WPA enabled and GTK_SET" + " go back to PS_SLEEP"); + lbs_ps_sleep(priv, 0); + } + } else { + lbs_deb_host( + "EXEC_NEXT_CMD: cmdpendingq empty, " + "go back to PS_SLEEP"); + lbs_ps_sleep(priv, 0); + } + } + } + + ret = 0; +done: + lbs_deb_leave(LBS_DEB_THREAD); + return ret; +} + +void lbs_send_iwevcustom_event(struct lbs_private *priv, s8 *str) +{ + union iwreq_data iwrq; + u8 buf[50]; + + lbs_deb_enter(LBS_DEB_WEXT); + + memset(&iwrq, 0, sizeof(union iwreq_data)); + memset(buf, 0, sizeof(buf)); + + snprintf(buf, sizeof(buf) - 1, "%s", str); + + iwrq.data.length = strlen(buf) + 1 + IW_EV_LCP_LEN; + + /* Send Event to upper layer */ + lbs_deb_wext("event indication string %s\n", (char *)buf); + lbs_deb_wext("event indication length %d\n", iwrq.data.length); + lbs_deb_wext("sending wireless event IWEVCUSTOM for %s\n", str); + + wireless_send_event(priv->dev, IWEVCUSTOM, &iwrq, buf); + + lbs_deb_leave(LBS_DEB_WEXT); +} + +static int sendconfirmsleep(struct lbs_private *priv, u8 *cmdptr, u16 size) +{ + unsigned long flags; + int ret = 0; + + lbs_deb_enter(LBS_DEB_HOST); + + lbs_deb_host("SEND_SLEEPC_CMD: before download, cmd size %d\n", + size); + + lbs_deb_hex(LBS_DEB_HOST, "sleep confirm command", cmdptr, size); + + ret = priv->hw_host_to_card(priv, MVMS_CMD, cmdptr, size); + priv->dnld_sent = DNLD_RES_RECEIVED; + + spin_lock_irqsave(&priv->driver_lock, flags); + if (priv->intcounter || priv->currenttxskb) + lbs_deb_host("SEND_SLEEPC_CMD: intcounter %d, currenttxskb %p\n", + priv->intcounter, priv->currenttxskb); + spin_unlock_irqrestore(&priv->driver_lock, flags); + + if (ret) { + lbs_pr_alert( + "SEND_SLEEPC_CMD: Host to Card failed for Confirm Sleep\n"); + } else { + spin_lock_irqsave(&priv->driver_lock, flags); + if (!priv->intcounter) { + priv->psstate = PS_STATE_SLEEP; + } else { + lbs_deb_host("SEND_SLEEPC_CMD: after sent, intcounter %d\n", + priv->intcounter); + } + spin_unlock_irqrestore(&priv->driver_lock, flags); + + lbs_deb_host("SEND_SLEEPC_CMD: sent confirm sleep\n"); + } + + lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + return ret; +} + +void lbs_ps_sleep(struct lbs_private *priv, int wait_option) +{ + lbs_deb_enter(LBS_DEB_HOST); + + /* + * PS is currently supported only in Infrastructure mode + * Remove this check if it is to be supported in IBSS mode also + */ + + lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, + CMD_SUBCMD_ENTER_PS, wait_option, 0, NULL); + + lbs_deb_leave(LBS_DEB_HOST); +} + +/** + * @brief This function sends Exit_PS command to firmware. + * + * @param priv A pointer to struct lbs_private structure + * @param wait_option wait response or not + * @return n/a + */ +void lbs_ps_wakeup(struct lbs_private *priv, int wait_option) +{ + __le32 Localpsmode; + + lbs_deb_enter(LBS_DEB_HOST); + + Localpsmode = cpu_to_le32(LBS802_11POWERMODECAM); + + lbs_prepare_and_send_command(priv, CMD_802_11_PS_MODE, + CMD_SUBCMD_EXIT_PS, + wait_option, 0, &Localpsmode); + + lbs_deb_leave(LBS_DEB_HOST); +} + +/** + * @brief This function checks condition and prepares to + * send sleep confirm command to firmware if ok. + * + * @param priv A pointer to struct lbs_private structure + * @param psmode Power Saving mode + * @return n/a + */ +void lbs_ps_confirm_sleep(struct lbs_private *priv, u16 psmode) +{ + unsigned long flags =0; + u8 allowed = 1; + + lbs_deb_enter(LBS_DEB_HOST); + + if (priv->dnld_sent) { + allowed = 0; + lbs_deb_host("dnld_sent was set"); + } + + spin_lock_irqsave(&priv->driver_lock, flags); + if (priv->cur_cmd) { + allowed = 0; + lbs_deb_host("cur_cmd was set"); + } + if (priv->intcounter > 0) { + allowed = 0; + lbs_deb_host("intcounter %d", priv->intcounter); + } + spin_unlock_irqrestore(&priv->driver_lock, flags); + + if (allowed) { + lbs_deb_host("sending lbs_ps_confirm_sleep\n"); + sendconfirmsleep(priv, (u8 *) & priv->lbs_ps_confirm_sleep, + sizeof(struct PS_CMD_ConfirmSleep)); + } else { + lbs_deb_host("sleep confirm has been delayed\n"); + } + + lbs_deb_leave(LBS_DEB_HOST); +} + + +/** + * @brief Simple callback that copies response back into command + * + * @param priv A pointer to struct lbs_private structure + * @param extra A pointer to the original command structure for which + * 'resp' is a response + * @param resp A pointer to the command response + * + * @return 0 on success, error on failure + */ +int lbs_cmd_copyback(struct lbs_private *priv, unsigned long extra, + struct cmd_header *resp) +{ + struct cmd_header *buf = (void *)extra; + uint16_t copy_len; + + lbs_deb_enter(LBS_DEB_CMD); + + copy_len = min(le16_to_cpu(buf->size), le16_to_cpu(resp->size)); + lbs_deb_cmd("Copying back %u bytes; command response was %u bytes, " + "copy back buffer was %u bytes\n", copy_len, + le16_to_cpu(resp->size), le16_to_cpu(buf->size)); + memcpy(buf, resp, copy_len); + + lbs_deb_leave(LBS_DEB_CMD); + return 0; +} + +/** + * @brief Simple way to call firmware functions + * + * @param priv A pointer to struct lbs_private structure + * @param psmode one of the many CMD_802_11_xxxx + * @param cmd pointer to the parameters structure for above command + * (this should not include the command, size, sequence + * and result fields from struct cmd_ds_gen) + * @param cmd_size size structure pointed to by cmd + * @param rsp pointer to an area where the result should be placed + * @param rsp_size pointer to the size of the rsp area. If the firmware + * returns fewer bytes, then this *rsp_size will be + * changed to the actual size. + * @return -1 in case of a higher level error, otherwise + * the result code from the firmware + */ +int __lbs_cmd(struct lbs_private *priv, uint16_t command, + struct cmd_header *in_cmd, int in_cmd_size, + int (*callback)(struct lbs_private *, unsigned long, struct cmd_header *), + unsigned long callback_arg) +{ + struct cmd_ctrl_node *cmdnode; + unsigned long flags; + int ret = 0; + + lbs_deb_enter(LBS_DEB_HOST); + + if (!priv) { + lbs_deb_host("PREP_CMD: priv is NULL\n"); + ret = -1; + goto done; + } + + if (priv->surpriseremoved) { + lbs_deb_host("PREP_CMD: card removed\n"); + ret = -1; + goto done; + } + + cmdnode = lbs_get_cmd_ctrl_node(priv); + if (cmdnode == NULL) { + lbs_deb_host("PREP_CMD: cmdnode is NULL\n"); + + /* Wake up main thread to execute next command */ + wake_up_interruptible(&priv->waitq); + ret = -1; + goto done; + } + + cmdnode->wait_option = CMD_OPTION_WAITFORRSP; + cmdnode->callback = callback; + cmdnode->callback_arg = callback_arg; + + /* Copy the incoming command to the buffer */ + memcpy(cmdnode->cmdbuf, in_cmd, in_cmd_size); + + /* Set sequence number, clean result, move to buffer */ + priv->seqnum++; + cmdnode->cmdbuf->command = cpu_to_le16(command); + cmdnode->cmdbuf->size = cpu_to_le16(in_cmd_size); + cmdnode->cmdbuf->seqnum = cpu_to_le16(priv->seqnum); + cmdnode->cmdbuf->result = 0; + + lbs_deb_host("PREP_CMD: command 0x%04x\n", command); + + /* here was the big old switch() statement, which is now obsolete, + * because the caller of lbs_cmd() sets up all of *cmd for us. */ + + cmdnode->cmdwaitqwoken = 0; + lbs_queue_cmd(priv, cmdnode, 1); + wake_up_interruptible(&priv->waitq); + + might_sleep(); + wait_event_interruptible(cmdnode->cmdwait_q, cmdnode->cmdwaitqwoken); + + spin_lock_irqsave(&priv->driver_lock, flags); + if (priv->cur_cmd_retcode) { + lbs_deb_host("PREP_CMD: command failed with return code %d\n", + priv->cur_cmd_retcode); + priv->cur_cmd_retcode = 0; + ret = -1; + } + spin_unlock_irqrestore(&priv->driver_lock, flags); + +done: + lbs_deb_leave_args(LBS_DEB_HOST, "ret %d", ret); + return ret; +} +EXPORT_SYMBOL_GPL(__lbs_cmd); + + |